I put in "no new tasks" for the project and will let them run out. Then I'm going to try the removal and re-add. Just hoping it doesn't screw up my config files, etc. I'll let you know in a few hours.
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OK, after I let my queued jobs finish, I did the remove project and added it back in. And Matt was right, it removed all the files. I had made a backup, so I just copied app_config.xml and collatz_sieve1.21_windows_x86_64_opencl_nvidia_gpu.config files back to the "old" now "new" collatz area. Brought down Boinc, and restarted for my old, but good, parameters to take effect again. They should have commented about this somewhere, but I did not see it. If you have an AMD processor or GPU, your old files to be copied back will be named accordingly.
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I've been running mine with a full cpu core reserved because it helps keep the other BOINC projects in line eg. 1core 1gpu WU Collatz AMD7970, 1 core 2gpu WUs Primegrid GTX760, 2cpu Numberfields@home. Keeps the GPUs fully loaded and the cpu at ~89%. With the default setting it would try to run 3 Numberfields WUs which would slowing down the Collatz process.
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apparently, this is not enough.... the error still appears after the edits and restart of boinc.
In the same way, I also edited the file
/var/lib/boinc-client/all_projects_list.xml
and restarted boinc.. and the error remained..

then I edited the file (stopping boinc between each edit)
/var/lib/boinc-client/account_boinc.thesonntags.com_collatz.xml
restarted boinc and the project got reset and gave me a workunit.
(the "no new work" flag got flipped by the restart)

I got an odd message: "File micro_collatz_6.01_arm-unknown-linux-gnueabihf exists already, skipping download", but I suppose that it just means that the programs were already present during the project reset. (through the "accepted" approach to a project reset, the "remove" step would have deleted the program and the subsequent "add" would had downloaded the code again.)

a manual reset of a project is not a desired result. Did I miss anything else?
(Not real keen on having doubts that the project is configured properly.)
On the positive side: the "update your URL" message seems to has been cleared.

Cheers!

// Brian

Hi,
would it be not much easier to edit the file /var/lib/boinc-client/master_boinc.thesonntags.com_collatz.xml

....

and to replace http://boinc.thesonntags.com
by https://boinc.thesonntags.com

Obviously, the "fixes" to make the project more secure (for the paranoid among us) has backfired. I can either
a) leave it as is
b) change the download URL to also be https
c) change it back to use http (non-SSL) except for the login page

Obviously, the "fixes" to make the project more secure (for the paranoid among us) has backfired. I can either
a) leave it as is
b) change the download URL to also be https
c) change it back to use http (non-SSL) except for the login page

Thoughts? Comments?

If we were to go "democratically", then I would "vote" for going forward (since I'm down to just one more computer to convert)

My final computer is the commandline boinc (Raspberry Pi Zero), while it's less of a "no brainer" as compared to the GUI setups, it's not that difficult. .. Although, I suggest using the boinccmd approach rather than "hack" the xml files.

Obviously, the "fixes" to make the project more secure (for the paranoid among us) has backfired. I can either
a) leave it as is
b) change the download URL to also be https
c) change it back to use http (non-SSL) except for the login page

Thoughts? Comments?

I'm favor of option b) change the download URL to also be https
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Hi,
I just made the test an changed http to https in /var/lib/boinc-client/account_boinc.thesonntags.com_collatz.xml in the line master _URL with disastrous consequences!

DON'T DO THAT!

I lost all my tasks and had to detach the project and to reinstall it.

I think the proposed procedure of let running out the tasks, detach and attach Collatz is the least dangerous way.

regards
Veit

I too think this is the best option. You just have to be aware when you reattach, to change the URL in the attach project dialog. Unless that's been fixed too. I'm pretty sure you need to contact DA to get that done.
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~Kathryn~